Least Auklet vs Japanese Murrelet
Aethia pusilla 比較対象 Synthliboramphus wumizusume
Side-by-Side Comparison
| 属性 | Least Auklet | Japanese Murrelet |
|---|---|---|
| 学名 | Aethia pusilla | Synthliboramphus wumizusume |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 18.9 cm (7.4 in) | 24.0 cm (9.4 in) |
| 体重 | 84.33333333333333 g (2.97 oz) | 171.6 g (6.05 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Least Auklet
Vulnerable
Japanese Murrelet
About These Birds
Least Auklet
Least Auklet, 15–16 cm, is the smallest auk, breeding in immense colonies (millions) on rocky Aleutian and Bering Sea islands. Dark above, streaked white below; a tiny white plume above the eye. Planktivore; sieves copepods and euphausiids at sea. Makes loud buzzing display choruses at colony.
Japanese Murrelet
Japanese Murrelet, 26–28 cm, is a Vulnerable alcid endemic to Japan, breeding on rocky islets in the Pacific. Black head with a small white supercilium stripe; grey back. Nests in rock crevices; chicks led to sea while still tiny. Piscivore; threatened by gill-net bycatch and feral predators on islands.